Silo.



H. B. HAMILTON.

SILO.

APPLICATION FILED IAN. I7, 1914.

THE MORRIS PETERS CO.. PHomALl'rHo.. WASHINGTON, Dv c HARVEY B. HAMILTON, OF TULAB'E, SQUTH DAKQTA.

SILO.

Specicaton of Letters Patent.

Patented Apr. 2'?, 1915.

Application filed January 17, 1914. Serial No. 812,860.

T0 all whom t may concern Be it known that I, HARVEY B. HAMILTON, a citizen of the United States, residing at Tulare, in the county of Spink and State of South Dakota, have invented new and useful Improvements in Silos, of which the following is a specification.

This invention relates to silos and the particular object of the invention is to provide a simple and efficient structure which may be cheaply installed and which will be durable and effective to withstand the strains imposed thereupon.

Another object of the invention is to construct a silo with reinforcing members so arranged that they will be spaced away from portions of the walls so that the coating or covering may be keyed thereto.

Further objects of the invention will appear as the following description is read in connection with the accompanying drawing, which forms a part of this application, and in which Figure 1 is a side elevation with parts broken away showing one form of the invention. Fig. 2 is a horizontal sectional view. Fig. 3 is a horizontal sectional view of another form of the device. Fig. 4 is a detail vertical sectional view on the line 4-4 of Fig. 3. Fig. 5 is a detail horizontal section showing the manner of connecting the sections.

Referring more particularly to the drawings, 1 generally represents the body of the silo which is constructed of separate arcuate sections 2 extending from the bottom of the silo to the top thereof and reinforced upon their side edges with angle irons 3 which receive bolts for connecting the sections together. 'Ihe body is provided preferably with a conical roof 4, and as shown in Fig. 1, the sections of the body are all constructed of corrugated metal reinforced throughout their height by diagonally arranged bands 5 and 6. The outer bands 5 extend spirally around the body in one direction and are preferably made continuous from top to bottom of the silo while the inner bands 6 extend spirally and preferably continuous from top to bottom of the silo in a direction opposite to the diagonal direction of the bands 5. The bands on .bands similar to those either the inner or outer side are placed upon the silo first so as to permit the proper connection of the rivets 7 which 'join the bands to the sections at the apex of each corrugation or each alternate corrugation, as is found most desirable.

The silo is provided with the usual outlet door 8 and may have a trap door such as is shown at 9 in the roof for filling the same with ensilage. 'Ihe silo may also have a plurality of doors throughout the height of the body, as is commonly practised.

It will be noticed that at each inward corrugation the outer bands will be spaced away from the body while at each outward corrugation the inner bands will be spaced away from the body, thus forming spaces for the reception of the keys 10 of the coatings 11. These coatings are arranged upon the outer and inner surfaces of the wall and may be cement, plaster or any other suitable material and completely cover the inner and outer walls of the silo and also the bands 5 and 6, as will be seen from an inspection of Fig. 2. When the plaster or cement is applied in the usual manner portions of the coating will extend into the corrugations behind the bands to form the locking keys 10.

In Figs. 3 and 4 the silo is constructed of smooth, arcuate sections connected together in any suitable manner and reinforced by shown in Figs. 1 and 2, which bands are spaced away from the walls by washers 12 so as to permit the coatings to be keyed behind the bands, as will be readily understood.

The only difference in arrangement shown in Figs. 9. and 3 is that the sections in one instance are constructed of corrugated material and in the other instance they are constructed of smooth metal. The bands eX- tend in opposite directions in both instances.

What is claimed is A silo comprising a tubular body constructed of metal sections arcuate in form, reinforcing angle irons on the side edges of the sections, means passing through the angle irons for drawing the sections together, spirally arranged bands secured to and surrounding the outer surface of the wall, spirally arranged bands secured to the inner surface of the wall and crossing the outer bands-at an"angle,'both the inner'and outer bands-being spaced away from portions of the wall and plastic coatings covering the inner and outer surfaces of the wall and the bands and keyed 'between said bands'and portions of the wall.

Intestimony whereof I ax my signature in ;presence'of two witnesses.

y HARVEYB.Y HAMILTON. Witnesses :y

W. "'P. TOBIN, JAMES PAULSEN.

Copiesof this patent may be obtained forviive.(eenige,V each,v by addressing the u commissioner of Patents wshmgwngnc" Y 

